#745CDB
Closest named color: Light Indigo (#6D5ACF). oklch(56.5% 0.186 287.6), rgb(116, 92, 219).
Aa
White text reads best on this color (4.88:1).
About this color
#745CDB is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.186 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.022 away. White text reads best on it, at 4.88:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #745CDB |
| RGB | rgb(116, 92, 219) |
| HSL | hsl(251, 64%, 61%) |
| OKLCH | oklch(56.5% 0.186 287.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #745CDB | 4.88:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #745CDB | 4.29:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #745CDB text on white | 4.88:1 | AA | Lc 73.5 | Content text, not long reading |
| #745CDB text on black | 4.29:1 | AA large text | Lc -28.2 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D7D5F7
oklch(88.5% 0.047 288.1)
-
Step 300
300
#BDB9F4
oklch(81% 0.083 287.5)
-
Step 400
400
#9C92EF
oklch(70.7% 0.134 287.4)
-
Step 500
500
#8674EA
oklch(63.1% 0.171 287.4)
-
Step 600
600 (this color)
#745CDB
oklch(56.5% 0.186 287.6)
-
Step 700
700
#5F48BB
oklch(49.1% 0.173 287.4)
-
Step 800
800
#4E3C97
oklch(42.7% 0.143 287.9)
-
Step 900
900
#403478
oklch(37.6% 0.112 287.9)
-
Step 950
950
#251F47
oklch(26.9% 0.072 287.4)
#745CDB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0074DF | 0.105 |
| Deuteranopia (no green cones) | #006ED8 | 0.104 |
| Tritanopia (no blue cones) | #527993 | 0.154 |
| Achromatopsia (no color) | #717171 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #745CDB
#745CDB
oklch(56.5% 0.186 287.6)
- #7E7A00
#7E7A00
oklch(56.5% 0.121 107.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #745CDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.022
- Dark Periwinkle #665FD1 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.027
- Purpley #8756E4 ΔE 0.035
- Medium Slate Blue #7B68EE ΔE 0.040
- Iris #6258C4 ΔE 0.047
- Warm Blue #4B57DB ΔE 0.063
- Royal Blue #4169E1 ΔE 0.069
Use #745CDB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.